Mathematics, 17.07.2019 19:00, hope10079
At a farm the ratio of cows to horses was 9: 2. if there were 72 cows at the farm how many horses were there?
Answers: 2
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 22:30, izabelllreyes
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
Answers: 2
At a farm the ratio of cows to horses was 9: 2. if there were 72 cows at the farm how many horses we...
Mathematics, 22.05.2020 04:10